A subject is a resource to which access is controlled. True False

A subject is a resource to which access is controlled.

True

False

Expert Solution

Ans. True

Explanation :- Resource Access Control provides the capability of denying access to the NE/NS resources in the absence of proper authorization (e.g., user privilege, channel privilege, etc.).The resource access control feature deals with restricting the usage of the NE/NS resources, such as processes, commands, database, etc. on a "minimum privilege principle."

Various levels of privileges (i.e., levels of access permissions) may be assigned to users, data entry devices, and NE/NS ports for restricting the usage of NE/NS resources. These levels may have to be determined on the basis of the type of process to be executed, the type of resource to be accessed, and the type of function, such as Create, Retrieve, Update, or Delete to be performed. The NE/NS provides features such that these privileges can be assigned in a way that limits access to only those levels that are needed to perform the job function. Following are such features:-

Command Control
Object Control
Record Control
Field Control

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